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The reaction at the central support B of the beam ABC hinged at D shown in below figure is<br> <img src="/images/question-image/civil-engineering/applied-mechanics-and-graphic-statics/1525414566-10.png" title="Applied Mechanics and Graphic Statics mcq question image" alt="Applied Mechanics and Graphic Statics mcq question image">
A
2 t
B
5.8 t
C
0.2 t
D
3.5 t
Correct Answer:
5.8 t
The beam shown in below figure is supported by a hinge at ‘A’ and a roller at ‘B’. The reaction RA of the hinged support ‘A’ of the beam, is
A
10.8 t
B
10.6 t
C
10.4 t
D
10.2 t
The reaction at the support D of the continuous beam ABCD, hinged at two points shown in below figure is
A
1.6 t ↑
B
1.6 t ↓
C
0.5 t ↑
D
0.5 t ↓
The reaction at the support B of the beam shown in below figure is
A
1.6 t
B
9.6 t
C
8.5 t
D
0.5 t
The reaction at the support ‘A’ of the beam shown in below figure is
A
2 t
B
5.8 t
C
0.2 t
D
3.5 t
The vertical reaction at the support ‘A’ of the structure shown in below figure, is
A
1 t
B
2 t
C
3 t
D
3.5 t
The ratio of the reactions RA and RB of a simply supported beam shown in below figure is
A
0.50
B
0.40
C
0.67
D
1.00
A weight of 100 kg is supported by a string whose ends are attached to pegs ‘A’ and ‘B’ at the same level shown in below figure. The tension in the string is
A
50 kg
B
750 kg
C
100 kg
D
120 kg
A body A of mass 6.6 kg which is lying on a horizontal platform 4.5 m from its edge is connected to the end of a light string whose other end is supporting a body of mass 3.2 kg as shown in below figure. If the friction between the platform and the body A is $$\frac{1}{3}$$, the acceleration is
A
0.5 m/sec<sup>2</sup>
B
0.75 m/sec<sup>2</sup>
C
1.00 m/sec<sup>2</sup>
D
1.25 m/sec<sup>2</sup>
Two loads of 50 kg and 75 kg are hung at the ends of a rope passing over a smooth pulley shown in below figure. The tension in the string is:
A
50 kg
B
75 kg
C
25 kg
D
60 kg
The centre of gravity of the trapezium as shown in below figure from the side is at a distance of
A
$$\frac{{\text{h}}}{3} \times \frac{{{\text{b}} + {\text{2a}}}}{{{\text{b}} + {\text{a}}}}$$
B
$$\frac{{\text{h}}}{3} \times \frac{{2{\text{b}} + {\text{a}}}}{{{\text{b}} + {\text{a}}}}$$
C
$$\frac{{\text{h}}}{2} \times \frac{{{\text{b}} + {\text{2a}}}}{{{\text{b}} + {\text{a}}}}$$
D
$$\frac{{\text{h}}}{2} \times \frac{{2{\text{b}} + {\text{a}}}}{{{\text{b}} + {\text{a}}}}$$
